[Feb 08, 2025] Get Unlimited Access to 1Z1-921 Certification Exam Cert Guide [Q40-Q65]

[Feb 08, 2025] Get Unlimited Access to 1Z1-921 Certification Exam Cert Guide

Reliable Study Materials for 1Z1-921 Exam Success For Sure

Oracle 1Z0-921 certification is highly regarded in the IT industry and is recognized by employers worldwide. By earning this certification, you will demonstrate your commitment to professional development and your ability to work with MySQL databases effectively.

 

NEW QUESTION # 40
Which two statements about the download of MySQL Enterprise Backup are correct?

• A. MySQL Enterprise Backup is a separate package from MySQL Enterprise Edition. It can be downloaded from https://edelivery.oracle.com.
• B. MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
• C. MySQL Enterprise Backup comes with all MySQL editions including community edition.
• D. MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.
• E. MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).

Answer: A,C

NEW QUESTION # 41
The user -os-user'@"localhost" was created to monitor connections and shut down the server, and was granted these privileges:
GRANT PROCESS, SHUTDOWN ON *.* TO "OS-user*@"localhost';
Which three are commands that the os-user can execute?

• A. SHUTDOWN
• B. SHOW STATUS;
• C. SHOW BINLOG EVENTS;
• D. KILL PROCESS;
• E. SHOW PROCESSLIST;
• F. GRANT PROXY

Answer: A,B,D

NEW QUESTION # 42
Which three statements describe MySQL Enterprise Backup?

• A. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
• B. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
• C. MySQL Enterprise Backup provides the point-in-time recovery functionality.
• D. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
• E. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.

Answer: A,C,D

NEW QUESTION # 43
Which activity will take place if a table is created with both the compression and encryption options?

• A. The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.
• B. The compression is performed before tablespace data is encrypted.
• C. The tablespace data is encrypted first and then compression is performed.
• D. The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.

Answer: B

NEW QUESTION # 44
Which three are levels in which MySQL Enterprise Monitor provides access control?

• A. MySQL Enterprise Operations: the right to start/stop/restart/update MySQL Enterprise Monitor Services
• B. Asset visibility: the rights to access data collected from hosts or MySQL instances
• C. MySQL Enterprise Operations: the right to deploy the necessary MySQL Enterprise Agent
• D. Application administration: the rights to view or change the MySQL Enterprise Monitor configuration
• E. Specific data access: the rights to view specific types of potentially sensitive data

Answer: B,D,E

NEW QUESTION # 45
Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

• A. Increasing the storage capacity so that the database can store more data to scale.
• B. Allocating more CPU to the database instance to improve throughput performance.
• C. Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.
• D. Adding more MySQL servers and sharing the same dacadir on a shared storage component like NFS.
• E. Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.

Answer: A

NEW QUESTION # 46
You have created your Compute instance using an Oracle-provided Oracle Linux image.
You want to log in to your OCI Compute instance using SSH. Which three items do you need for this process?

• A. Public IP address
• B. SSH private key
• C. SSH public key
• D. The root user
• E. User Password
• F. The opc user

Answer: F

NEW QUESTION # 47
You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?

• A. You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.
• B. The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.
• C. The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
• D. The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.

Answer: D

NEW QUESTION # 48
Which four authentication protocols are allowed when using MySQL Enterprise Authentication?

• A. authentication using SHA-256 password hashing
• B. SECURID authentication and authorization identity
• C. Native Windows services
• D. Simple Authentication and Security Layer
• E. authentication via Pluggable Authentication Modules (PAMs)
• F. connections through the local host via the UNIX socket file

Answer: A,C,E,F

NEW QUESTION # 49
Which Oracle product is certified to work with MySQL Enterprise Edition?

• A. Oracle Enterprise Manager
• B. Oracle Data Pump
• C. Oracle Enterprise Backup
• D. Oracle Application Express

Answer: A

NEW QUESTION # 50
You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img

You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?

• A.
• B.
• C.
• D.
• E.

Answer: C

NEW QUESTION # 51
The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?

• A. Execute the purge binary logs statement without argument.
• B. To safely purge binary log files, perform these steps:
• C. On the Master server, disable binlog by removing the --log-bin option.
• D. Delete all binlog files manually on the file system to release storage spaces.
• E. Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.

Answer: B,E

NEW QUESTION # 52
Which statement adds a column with the largest integer data type?

• A. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
• B. ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
• C. ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
• D. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);

Answer: C

NEW QUESTION # 53
Which three statements are true about MySQL Enterprise Backup?

• A. It performs hot or warm backups.
• B. It enables you to take non-locking backups.
• C. It cannot back up encrypted tablespaces.
• D. It provides the ability to create incremental backups.
• E. It performs logical backups.

Answer: B,D,E

NEW QUESTION # 54
Which statement will display the status of the partitioning plug-in?

• A. USE SYS SCHEMA; SHOW PLUGINS STATUS;
• B. SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
• C. SHOW PLUGINS WHERE Name= 'partition';
• D. SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';

Answer: B

NEW QUESTION # 55
You need to change the password level for a test system.
Which two allow to change this level before you create new test user/passwords?

• A. Add validate_password_policy=,new level, in the [mysqld] section of the MySQL configuration file.
• B. SET GLOBAL force_password_complex_policy=0;
• C. SET GLOBAL validate_password_policy=,new level,;
• D. Add validate_password=,new level, in the [security] section of the MySQL configuration file.

Answer: A,C

NEW QUESTION # 56
Which two methods help prevent MySQL security risks?

• A. Use a firewall to control access to MySQL ports.
• B. Transmit plain (unencrypted) data over networks.
• C. Use the secure installation script "mysql_alays_secure_installation".
• D. Ensure that MySQL accounts have short and easy passwords.
• E. Allow unauthorized clients to connect to the server.
• F. Grant only permissions that a user requires.

Answer: B,E

NEW QUESTION # 57
Which is a correct example of creating an Enterprise Encryption function?

• A. VALIDATE FUNCTION create_asymmetric_priv_key WITH ,openssl_udf.so';
• B. SET @function = CREATE_ASYMMETRIC_PRIV_KEY(@algo, @key_len);
• C. CREATE FUNCTION asymmetric_decrypt RETURNS STRING SONAME ,openss1_udf.so,;
• D. INSERT INTO t1 (key_co1) FUNCTION(CREATE_ASYMMETRIC_PRIV_KEY(,RSA,, 1024));

Answer: C

NEW QUESTION # 58
Which two statements are true about MySQL Enterprise Firewall?

• A. MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
• B. System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
• C. MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
• D. Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.
• E. On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
• F. The firewall functionality is dependent upon SHA-256 and ANSI-specific functions built in to the mysql.firewall table. These functions cannot be deleted, even by the root user.

Answer: B,D

NEW QUESTION # 59
Which three options are valid reasons for using a primary key in a table?

• A. automatic storage of data in a sorted order
• B. maintaining a history of row insertions or updates
• C. preventing duplicate keys
• D. to make it easier to change the PRIMARY KEY value
• E. increasing performance when using select statements
• F. exporting data faster with mysqldump

Answer: C,E,F

NEW QUESTION # 60
Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?

• A. You must have an IPSec VPN to connect to an Oracle Linux instance.
• B. You can connect directly to the VCN without a define subnet.
• C. You can connect directly to an instance over the internet, without a public IP address.
• D. You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
• E. Your instance does not have a public IP address, so you cannot connect with a public subnet.

Answer: B,C

NEW QUESTION # 61
The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?

• A. Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
• B. The super privilege is required when starting, stopping, or restarting monitored MySQL databases.
• C. MySQL Enterprise Monitor creates the required users automatically.
• D. The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.

Answer: D

NEW QUESTION # 62
Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

• A. MySQL Online Hot Backup to keep data consistent and always ready to be used.
• B. MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
• C. MySQL Servers with Group Replication to replicate data to all members of the cluster.
• D. MySQL Router to ensure client requests are load balanced and routed to the correct servers.
• E. MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.

Answer: C,D,E

NEW QUESTION # 63
You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH).
When accessing a new MySQL Enterprise Edition Oracle Cloud Infrastructure (OCI) instance, you want to use MySQL Enterprise Workbench for SQL and remote management.
What are two ways to successfully configure Workbench based on the MySQL access credentials?

• A. Configure TCP/IP over SSH and based on the created private key, opc-User, and MySQL access credentials, you can access the MySQL OCI instance.
• B. Convert the private key to ppk format first. Based on TCP/IP over SSH and based on the created private key, opc-user, and MySQL access credentials, you can access the MySQL CS instance.
• C. Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
• D. Open the MySQL OCI instance access port 3306. For the MySQL connection, you use this port, and, in addition, you configure the remote management based on SSH based on the provided key.

Answer: D

NEW QUESTION # 64
You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

• A. Convert the private key to ppk format first and use the new private key for authentication.
• B. Open Port 22 on your OCI Instance and configure Putty with the ssh private key.
• C. Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.
• D. Use the provided private key for authentication.

Answer: C

NEW QUESTION # 65
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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Exam is a valuable certification for professionals seeking to demonstrate their expertise in MySQL implementation. It is a rigorous exam that tests the candidate's knowledge and skills in various areas related to database implementation, security, performance tuning, and troubleshooting. By passing 1Z1-921 exam, candidates can enhance their career prospects and gain recognition as a skilled MySQL professional.

Oracle 1Z0-921 exam, also known as the MySQL 2021 Implementation Essentials exam, is designed to validate the skills and knowledge of individuals who are responsible for the implementation and management of MySQL databases. 1Z1-921 exam is intended for professionals who work with MySQL databases and want to demonstrate their expertise in this area. 1Z1-921 exam covers a range of topics including database design, installation and configuration, security, performance optimization, troubleshooting, and backup and recovery.

 

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